20069915840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8191}}^1$

素因数の和:8271

約数の個数: 224

約数和(自身を含む): 55931043840

約数和(自身を除く): 35861128000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 64, 65, 76, 80, 95, 104, 124, 130, 152, 155, 160, 190, 208, 247, 248, 260, 304, 310, 320, 380, 403, 416, 494, 496, 520, 589, 608, 620, 760, 806, 832, 988, 992, 1040, 1178, 1216, 1235, 1240, 1520, 1612, 1976, 1984, 2015, 2080, 2356, 2470, 2480, 2945, 3040, 3224, 3952, 4030, 4160, 4712, 4940, 4960, 5890, 6080, 6448, 7657, 7904, 8060, 8191, 9424, 9880, 9920, 11780, 12896, 15314, 15808, 16120, 16382, 18848, 19760, 23560, 25792, 30628, 32240, 32764, 37696, 38285, 39520, 40955, 47120, 61256, 64480, 65528, 76570, 79040, 81910, 94240, 106483, 122512, 128960, 131056, 153140, 155629, 163820, 188480, 212966, 245024, 253921, 262112, 306280, 311258, 327640, 425932, 490048, 507842, 524224, 532415, 612560, 622516, 655280, 778145, 851864, 1015684, 1064830, 1225120, 1245032, 1269605, 1310560, 1556290, 1703728, 2023177, 2031368, 2129660, 2450240, 2490064, 2539210, 2621120, 3112580, 3300973, 3407456, 4046354, 4062736, 4259320, 4824499, 4980128, 5078420, 6225160, 6601946, 6814912, 8092708, 8125472, 8518640, 9648998, 9960256, 10115885, 10156840, 12450320, 13203892, 16185416, 16250944, 16504865, 17037280, 19297996, 20231770, 20313680, 24122495, 24900640, 26407784, 32370832, 33009730, 34074560, 38595992, 40463540, 40627360, 48244990, 49801280, 52815568, 62718487, 64741664, 66019460, 77191984, 80927080, 81254720, 96489980, 105631136, 125436974, 129483328, 132038920, 154383968, 161854160, 192979960, 211262272, 250873948, 264077840, 308767936, 313592435, 323708320, 385959920, 501747896, 528155680, 627184870, 647416640, 771919840, 1003495792, 1056311360, 1254369740, 1543839680, 2006991584, 2508739480, 4013983168, 5017478960, 10034957920, 20069915840]

約数ペア:

[(1, 20069915840), (2, 10034957920), (4, 5017478960), (5, 4013983168), (8, 2508739480), (10, 2006991584), (13, 1543839680), (16, 1254369740), (19, 1056311360), (20, 1003495792), (26, 771919840), (31, 647416640), (32, 627184870), (38, 528155680), (40, 501747896), (52, 385959920), (62, 323708320), (64, 313592435), (65, 308767936), (76, 264077840), (80, 250873948), (95, 211262272), (104, 192979960), (124, 161854160), (130, 154383968), (152, 132038920), (155, 129483328), (160, 125436974), (190, 105631136), (208, 96489980), (247, 81254720), (248, 80927080), (260, 77191984), (304, 66019460), (310, 64741664), (320, 62718487), (380, 52815568), (403, 49801280), (416, 48244990), (494, 40627360), (496, 40463540), (520, 38595992), (589, 34074560), (608, 33009730), (620, 32370832), (760, 26407784), (806, 24900640), (832, 24122495), (988, 20313680), (992, 20231770), (1040, 19297996), (1178, 17037280), (1216, 16504865), (1235, 16250944), (1240, 16185416), (1520, 13203892), (1612, 12450320), (1976, 10156840), (1984, 10115885), (2015, 9960256), (2080, 9648998), (2356, 8518640), (2470, 8125472), (2480, 8092708), (2945, 6814912), (3040, 6601946), (3224, 6225160), (3952, 5078420), (4030, 4980128), (4160, 4824499), (4712, 4259320), (4940, 4062736), (4960, 4046354), (5890, 3407456), (6080, 3300973), (6448, 3112580), (7657, 2621120), (7904, 2539210), (8060, 2490064), (8191, 2450240), (9424, 2129660), (9880, 2031368), (9920, 2023177), (11780, 1703728), (12896, 1556290), (15314, 1310560), (15808, 1269605), (16120, 1245032), (16382, 1225120), (18848, 1064830), (19760, 1015684), (23560, 851864), (25792, 778145), (30628, 655280), (32240, 622516), (32764, 612560), (37696, 532415), (38285, 524224), (39520, 507842), (40955, 490048), (47120, 425932), (61256, 327640), (64480, 311258), (65528, 306280), (76570, 262112), (79040, 253921), (81910, 245024), (94240, 212966), (106483, 188480), (122512, 163820), (128960, 155629), (131056, 153140)]